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Equilibres de Cournot-Walras dans une économie d'échange

Author

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  • CODOGNATO, Giulio
  • GABSZEWICZ, Jean

Abstract

[eng] Cournot-walras equilffiria in an exchange economy. . We introduce the notion of Cournot-Walras equilibrium for a pure exchange economy. We first investigate, by means of an example, the relationship between the notion of Cournot equilibrium proposed by Shapley and Shubik and the Coumot-Walras equilibrium, and we show that they asymptotically coincide. Then we show, in the same example, that the Cournot-Walras equilibrium converges by replication to the Walras equilibrium. [fre] Équilibres de Cournot-Wakas dans une économie d'échange. . Nous introduisons la notion d'équilibre Cournot-Walras pour une économie d'échange. Sur base d'un exemple, nous étudions en premier lieu la relation entre la notion d'équilibre « à la Cournot » proposée par Shapley et Shubik et l'équilibre de Cournot-Walras, tout en démontrant qu'ils coïncident asymptotiquement. Ensuite, nous démontrons, par le même exemple, que l'équilibre de Cournot-Walras converge par « replication » vers l'équilibre walrasien.
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Suggested Citation

  • CODOGNATO, Giulio & GABSZEWICZ, Jean, 1991. "Equilibres de Cournot-Walras dans une économie d'échange," LIDAM Reprints CORE 964, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    • Handle: RePEc:cor:louvrp:964
    DOI: 10.2307/3502021
    Note: In : Revue Economique, 42(6), 1013-1026, 1991
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    Cited by:

    1. Lahmandi-Ayed, Rim & Laussel, Didier, 2018. "When do imperfectly competitive firms maximize profits? The lessons from a simple general equilibrium model with shareholders’ voting," Journal of Mathematical Economics, Elsevier, vol. 78(C), pages 6-12.
    2. Ghosal, Sayantan & Tonin, Simone, 2014. "Non-Cooperative Asymptotic Oligopoly in Economies with Infinitely Many Commodities," SIRE Discussion Papers 2015-23, Scottish Institute for Research in Economics (SIRE).
    3. Pascal Belan & Philippe Michel & Bertrand Wigniolle, 2003. "Les effets à long terme des fonds de pension," L'Actualité Economique, Société Canadienne de Science Economique, vol. 79(4), pages 457-480.
    4. Bertrand Crettez & Pierre-André Jouvet & Ludovic A. Julien, 2014. "Tax Policy in a Simple General Oligopoly Equilibrium Model with Pollution Permits," Working Papers 1413, Chaire Economie du climat.
    5. Ludovic A. Julien, 2010. "From Imperfect To Perfect Competition: A Parametric Approach Through Conjectural Variations," Manchester School, University of Manchester, vol. 78(6), pages 660-677, December.
    6. Ludovic A. Julien & Fabrice Tricou, 2006. "A note on price-taking and price-making behaviours in pure exchange economies," Working Papers hal-04138521, HAL.
    7. Ghosal, Sayantan & Tonin, Simone, 2014. "Non-Cooperative Asymptotic Oligopoly in Economies with Infinitely Many Commodities," 2007 Annual Meeting, July 29-August 1, 2007, Portland, Oregon TN 2015-23, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    8. Rudy Colacicco, 2015. "Ten Years Of General Oligopolistic Equilibrium: A Survey," Journal of Economic Surveys, Wiley Blackwell, vol. 29(5), pages 965-992, December.
    9. Ludovic A. Julien & Fabrice Tricou, 2008. "Market Price Mechanisms and Stackelberg General Equilibria," EconomiX Working Papers 2008-29, University of Paris Nanterre, EconomiX.
    10. Busetto, Francesca & Codognato, Giulio & Ghosal, Syantan, "undated". "Cournot-Walras Equilibrium as a Subgame Perfect Equilibrium," Economic Research Papers 269786, University of Warwick - Department of Economics.
    11. Busetto, Francesca & Codognato, Giulio & Ghosal, Sayantan, 2011. "Noncooperative oligopoly in markets with a continuum of traders," Games and Economic Behavior, Elsevier, vol. 72(1), pages 38-45, May.

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